In this tutorial we will show you how to change power saving settings on Mac.
In order to change power saving settings on Mac, go to “system preferences”. Click on the “Energy Saver”.
In the following window you can change the time period for “computer sleep” and “display sleep”.
Also you can check the other functions, like “put hard disks to sleep when possible” and “allow power button to put the computer to sleep”.
Or if you want, you can reset power saving settings by clicking on the “restore defaults” button.
Source: howtech. tv